Ravensburger GraviTrax Marble Run - Starter Set XXL 27615, for kids aged 8 and up and adults [Exclusive to Amazon]

["GraviTrax is an interactive ball track system from Ravensburger that makes the laws of gravity fun and accessible for boys and girls aged 8 and up.","With the three action stones Gauss Cannon, Loop and Hammer, and a total of 226 parts, both simple and challenging courses can be built, making the Starter Set XXL an ideal entry into the world of innovative marble runs.","Building plans and tasks make it easy to get started. Then creativity knows no bounds: expansions ensure long-lasting fun! All GraviTrax sets are combinable and therefore the perfect gift for children aged 8 and up.","Whether alone, with friends or family - indoor building fun is guaranteed with this construction toy! A great pastime, for beginners as well as advanced or adult builders!","With the STEM toy GraviTrax, children can plan, test and realize track layouts in free building. With the help of magnetism, kinetics and gravity, the marble rolls through the track with action. Physics has never been so exciting!"]